Proceedings Paper

We perform a series of single-pass, one-D free-electron laser simulations based on an electron
beam from a standard linear accelerator coupled with a so-called laser undulator, a specialized device
that is more compact than a standard undulator based on magnetic materials. The longitudinal field
profiles of such lasers undulators are intriguing as one must and can tailor the profile for the needs of
creating the virtual undulator. We present and discuss several results of recent simulations and our future
steps.